Nouveau - Oct 2015 - [Bug 92386] New: Integrated sensor on nv43 doesn't work (wrong vbios parsing?)

https://bugs.freedesktop.org/show_bug.cgi?id=92386

            Bug ID: 92386
           Summary: Integrated sensor on nv43 doesn't work (wrong vbios
                    parsing?)
           Product: xorg
           Version: git
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: randrik at mail.ru
        QA Contact: xorg-team at lists.x.org

Created attachment 118799
  --> https://bugs.freedesktop.org/attachment.cgi?id=118799&action=edit
hack for recognizing sensor on nv43

Hello, this is me again with my useful nv43.

As far as I can see nvidia binary driver can use integrated sensor on my card,
while nouveau can't. After some digging I found problem - nouveau can't
find
some calibration coefficients in vbios. May be they missed completely, or bios
slightly misparsed. I'll attach again my vbios, and patch I made after
looking
at nvclock sources [1]. Patch allow sensor to work, and reported temperature
roughly correspond to what I saw with binary driver (looking at raw output I
see nouveau still hotter than nvidia, but I can ignore this for now).

Not sure if such hack (?) should go into nouveau, or I (someone) better to find
if values really missed from vbios first.

Command for getting raw sensor value:
envytools/nva/nvapeek 0x15b4

[1] - http://www.linuxhardware.org/nvclock/

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--- Comment #1 from Andrew Randrianasulu <randrik at mail.ru> ---
Created attachment 118800
  --> https://bugs.freedesktop.org/attachment.cgi?id=118800&action=edit
vbios

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Martin Peres <martin.peres at free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #2 from Martin Peres <martin.peres at free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
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https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/224.

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